dimethylcadmium
- Formula: C2H6Cd
- Molecular weight: 142.480
- CAS Registry Number: 506-82-1
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Condensed phase thermochemistry data
Go To: Top, Vibrational and/or electronic energy levels, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
MS - José A. Martinho Simões
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | 15.6 ± 1.0 | kcal/mol | Review | Martinho Simões | MS |
ΔfH°liquid | 16.2 ± 0.31 | kcal/mol | Review | Martinho Simões | Selected data.; MS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 48.250 | cal/mol*K | N/A | N/A | DH |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | 20.5 ± 2.9 | kcal/mol | Review | Martinho Simões | MS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -475.3 ± 2.9 | kcal/mol | CC-SB | Long and Norrish, 1949 | Please also see Cox and Pilcher, 1970.; MS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
31.551 | 298.15 | N/A | T = 15 to 300 K.; DH |
Vibrational and/or electronic energy levels
Go To: Top, Condensed phase thermochemistry data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Takehiko Shimanouchi
Symmetry: D3h'(G+36) Symmetry Number σ = 6
Sym. | No | Approximate | Selected Freq. | Infrared | Raman | Comments | ||||
---|---|---|---|---|---|---|---|---|---|---|
Species | type of mode | Value | Rating | Value | Phase | Value | Phase | |||
a1' | 1 | CH3 s-str | 2903 | C | ia | 2903 S p | liq. | Free rotation | ||
a1' | 2 | CH3 s-deform | 1127 | C | ia | 1127 S p | liq. | Free rotation | ||
a1' | 3 | CCd s-str | 459 | C | ia | 459 S p | liq. | Free rotation | ||
a1 | 4 | Torsion | ia | ia | Free rotation | |||||
a2 | 5 | CH3 s-str | 2923 | C | 2923 S | gas | ia | Free rotation | ||
a2 | 6 | CH3 s-deform | 1136 | C | 1136 M | gas | ia | Free rotation | ||
a2 | 7 | CCd a-str | 535 | C | 535 S | gas | ia | Free rotation | ||
e' | 8 | CH3 d-str | 2980 | C | 2980 VS | gas | Free rotation | |||
e' | 9 | CH3 d-deform | 1315 | C | 1315 | gas | 1324 | liq. | Free rotation | |
e' | 10 | CH3 rock | 700 | C | 700 S | gas | Free rotation | |||
e' | 11 | CCdC deform | 124 | C | 124 W | gas | 120 W b | liq. | Free rotation | |
e | 12 | CH3 d-str | 2859 | C | 2859 | gas | 2834 M | liq. | Free rotation | |
e | 13 | CH3 d-deform | 1427 | C | 1427 W | liq. | Free rotation | |||
e | 14 | CH3 rock | 634 | C | 634 M dp | liq. | Free rotation | |||
Source: Shimanouchi, 1972
Notes
VS | Very strong |
S | Strong |
M | Medium |
W | Weak |
ia | Inactive |
b | Broad |
p | Polarized |
dp | Depolarized |
C | 3~6 cm-1 uncertainty |
References
Go To: Top, Condensed phase thermochemistry data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Martinho Simões
Martinho Simões, J.A.,
Private communication (see http://webbook.nist.gov/chemistry/om/). [all data]
Long and Norrish, 1949
Long, L.H.; Norrish, R.G.W.,
Phil. Trans. Roy. Soc. (London), 1949, A241, 587. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds
in Academic Press, New York, 1970. [all data]
Shimanouchi, 1972
Shimanouchi, T.,
Tables of Molecular Vibrational Frequencies Consolidated Volume II,
J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.